CN210401152U - Water-pressure test device for engineering geological investigation - Google Patents
Water-pressure test device for engineering geological investigation Download PDFInfo
- Publication number
- CN210401152U CN210401152U CN201921098037.7U CN201921098037U CN210401152U CN 210401152 U CN210401152 U CN 210401152U CN 201921098037 U CN201921098037 U CN 201921098037U CN 210401152 U CN210401152 U CN 210401152U
- Authority
- CN
- China
- Prior art keywords
- water
- pressure
- pressurized
- test device
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a pressurized-water test device of engineering geology reconnaissance usefulness, including storage water tank and two pressurized-water pipelines, be provided with the water spray pipe post between two pressurized-water pipelines, the both ends of water spray pipe post are connected through sealed coupling mechanism with two pressurized-water pipelines respectively, a plurality of hole for water spraying have been seted up on the water spray pipe post lateral wall, pressure water pump intake end is linked together with the storage water tank is inside, and the port of intaking has been seted up to the storage water tank upper end, still is provided with sealed gasbag pipe on two pressurized-water pipelines lateral walls, connects the air duct through rubber between two sealed gasbag pipes and is linked together, and the sealed gasbag pipe that is located the upside has the air pump of aerifing through high-pressure air guide hose connection, and the middle part of high. The utility model discloses the mechanism is simple, and sealing performance is better and avoid drilling both ends to leak and influence test result, and test operation is simple and convenient, and the practicality is stronger.
Description
Technical Field
The utility model relates to a geological engineering technical field specifically is a water-pressure test device of engineering geology reconnaissance usefulness.
Background
In the engineering geological exploration process, the water-pressure test is an in-situ test for pressing water into a drill hole in a high-pressure mode and calculating the development condition and water permeability of a rock mass crack according to the water absorption capacity of the rock mass. The water-pressing test is that a drilling test section with a certain length is isolated by special water-stopping equipment, then water is pressed into the drilling section by a fixed water head, water permeates into a rock body through cracks around a hole wall, and finally the amount of permeated water tends to a stable value. According to the water head, the length of the test section and the stable water infiltration amount, the strength of the water permeability of the rock mass can be judged. In a water pressure test, because the inlet port of the drill hole is not tightly sealed, extruded water can emerge through the drill hole, and thus the test result is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a pressurized-water test device of engineering geology reconnaissance usefulness is provided, the mechanism is simple, and sealing performance is better and avoid drilling both ends to leak and influence the test result, and test operation is simple and convenient, and the practicality is stronger.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a pressurized-water test device that engineering geology reconnaissance was used, including storage water tank and two pressurized-water pipelines, be provided with the water spray tubular column between two pressurized-water pipelines, the both ends of water spray tubular column are connected through sealed coupling mechanism with two pressurized-water pipelines respectively, a plurality of hole for water spraying have been seted up on the water spray tubular column lateral wall, the pressurized-water pipeline top that is located the upside is connected at the distolateral pressure water pump outlet end of storage water tank through high-pressure water pipe with the setting, pressure water pump inlet end and the inside of storage water tank are linked together, the inlet port has been seted up to the storage water tank upper end, still be provided with sealed gasbag pipe on two pressurized-water pipeline lateral walls respectively, be linked together through rubber connection air duct between two sealed gasbag pipes, the sealed gasbag pipe that is located the upside is connected with the air.
The sealing connection mechanism comprises a connection sleeve, a separation baffle is arranged inside the connection sleeve, one end of the water pressing pipeline extends into the connection sleeve and penetrates through the separation baffle, the outer side wall of the water pressing pipeline is connected with the separation baffle and the end wall of the connection sleeve in a sealing and rotating mode, a sealing ring is arranged on the side wall of the port of the water pressing pipeline, and the outer side wall of one end of the water spraying pipe column is in threaded fit and fastening connection with the inner wall of the connection sleeve.
And a filtering screen is arranged on the inner side of the water inlet port.
And a snap ring used for buckling the rubber connecting air duct is fixedly arranged on the outer side wall of the connecting sleeve of the sealing connecting mechanism.
Still be provided with vertical pressure sensing pole on the snap ring, pressure sensing pole top is provided with the pressure measurement meter.
The rubber connecting air ducts are two and are symmetrically arranged.
The utility model has the advantages that: the pressure water pump pumps the water inside the water storage tank to the inside of the water spraying pipe column through the high-pressure water pipe and the water pressure pipeline, and the water is sprayed out from the water spraying holes in the side wall of the water spraying pipe column, meanwhile, the inflation air pump is filled with gas through the high-pressure air guide hose and the two sealed air bag pipes, so that the inflation air pump is expanded to seal the inlet and the outlet of the rock body drilling hole, the water permeates into the rock body through cracks around the hole wall, the permeated water volume can slowly tend to a stable value, and the water permeability of the rock body can be judged. The utility model discloses the mechanism is simple, and sealing performance is better and avoid drilling both ends to leak and influence test result, and test operation is simple and convenient, and the practicality is stronger.
Drawings
Fig. 1 is the utility model discloses a water-pressure test device's that engineering geology reconnaissance was used structural diagram.
Fig. 2 is the utility model discloses a sealing connection mechanism's among the water-pressure test device of engineering geology reconnaissance usefulness structural schematic.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figures 1-2, the utility model discloses a water pressure test device for engineering geological investigation, including storage water tank 1 and two pressurized water pipes 2, there is a water spray pipe column 7 between two pressurized water pipes 2, both ends of water spray pipe column 7 are connected with two pressurized water pipes 2 through seal connection mechanism 8 respectively, seal connection mechanism 8 includes a connection sleeve 19, the inside of connection sleeve 19 is provided with a baffle 20, one end of pressurized water pipe 2 is extended into the inside of connection sleeve 19 and passes through baffle 20, and the outer side wall of pressurized water pipe 2 is connected with baffle 20 and the end wall of connection sleeve 19 in a seal rotation way, a sealing ring 21 is provided on the side wall of port of pressurized water pipe 2, the outer side wall of one end of water spray pipe column 7 is connected with the inner wall of connection sleeve 19 in a screw-thread fit fastening way, and then conveniently change water spray pipe column 7 to adapt to the depth of rock drilling, a plurality of water spray holes, the top end of the pressurized water pipeline 2 positioned at the upside is connected with the water outlet end of a pressurized water pump 4 arranged at the end side of a water storage tank 1 through a high-pressure water pipe 3, the water inlet end of the pressurized water pump 4 is communicated with the inside of the water storage tank 1, a water inlet port 5 is arranged at the upper end of the water storage tank 1, a filter screen 6 is arranged at the inner side of the water inlet port 5 to filter out particles in water and avoid blocking, sealing air sac pipes 9 are further arranged on the outer side walls of the two pressurized water pipelines 2, the two sealing air sac pipes 9 are communicated with each other through rubber connecting air ducts 15, a snap ring 16 used for buckling the rubber connecting air ducts 15 is fixedly arranged on the outer side wall of a connecting sleeve 19 of the sealing connecting mechanism 8 to avoid the situation that the rubber connecting air ducts 15 loose impact water and the water is scattered and shaken to cause breaking, the sealing air sac pipes 9 positioned at the, in order to conveniently take out the whole device, the flowmeter 10 is installed on the high-pressure water pipe 3, a vertical pressure sensing rod 17 is further arranged on the clamping ring 16, and a pressure meter 18 is arranged at the top end of the pressure sensing rod 17 so as to measure the water pressure in the rock body.
The utility model discloses a theory of operation is: the pressure water pump 4 pumps the water in the water storage tank 1 to the inside of the water spraying pipe column 7 through the high-pressure water pipe 3 and the pressurized-water pipeline 2, and the water is sprayed out from the water spraying holes 11 on the side wall of the water spraying pipe column 7, meanwhile, the inflation air pump 12 is filled with gas through the high-pressure air guide hose 13 and the two sealed air sac pipes 9, so that the inflation air pump is expanded to seal the inlet and the outlet of a rock body drilling hole, the water permeates into the rock body through the cracks on the periphery of the hole wall, the permeated water quantity can slowly tend to a stable value, and the water permeability of the. The utility model discloses the mechanism is simple, and sealing performance is better and avoid drilling both ends to leak and influence test result, and test operation is simple and convenient, and the practicality is stronger.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A water-pressure test device for engineering geological exploration comprises a water storage tank (1) and two water-pressure pipelines (2), wherein a water-spraying pipe column (7) is arranged between the two water-pressure pipelines (2), and is characterized in that two ends of the water-spraying pipe column (7) are respectively connected with the two water-pressure pipelines (2) through a sealing connection mechanism (8), a plurality of water-spraying holes (11) are formed in the outer side wall of the water-spraying pipe column (7), the top end of the water-pressure pipeline (2) positioned at the upper side is connected with the water outlet end of a pressure water pump (4) arranged at the end side of the water storage tank (1) through a high-pressure water pipe (3), the water inlet end of the pressure water pump (4) is communicated with the inside of the water storage tank (1), a water inlet port (5) is formed in the upper end of the water storage tank (1), sealing air bag pipes (9) are respectively arranged on the outer side walls, the sealed air bag tube (9) positioned at the upper side is connected with an inflation air pump (12) through a high-pressure air guide hose (13), the middle part of the high-pressure air guide hose (13) is also provided with an air release valve (14), and the high-pressure water tube (3) is provided with a flow meter (10).
2. The water pressing test device for engineering geological investigation according to claim 1, characterized in that the sealing connection mechanism (8) comprises a connection sleeve (19), a baffle (20) is arranged inside the connection sleeve (19), one end of the water pressing pipeline (2) extends into the connection sleeve (19) and penetrates through the baffle (20), the outer side wall of the water pressing pipeline (2) is connected with the baffle (20) and the end wall of the connection sleeve (19) in a sealing and rotating manner, a sealing ring (21) is arranged on the side wall of the port of the water pressing pipeline (2), and the outer side wall of one end of the water spraying pipe column (7) is connected with the inner wall of the connection sleeve (19) in a threaded fit and fastening manner.
3. The water pressure test apparatus for engineering geological investigation according to claim 1, characterized in that a filter screen (6) is installed inside the water inlet port (5).
4. The water-pressure test device for engineering geological investigation according to claim 2, characterized in that a snap ring (16) for buckling the rubber connecting air duct (15) is fixedly arranged on the outer side wall of the connecting sleeve (19) of the sealing connecting mechanism (8).
5. The water pressure test device for engineering geological exploration according to claim 4, characterized in that a vertical pressure sensing rod (17) is further arranged on the snap ring (16), and a pressure gauge (18) is arranged at the top end of the pressure sensing rod (17).
6. The water-pressure test device for engineering geological investigation according to claim 1, characterized in that the rubber connecting air ducts (15) are two and are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098037.7U CN210401152U (en) | 2019-07-12 | 2019-07-12 | Water-pressure test device for engineering geological investigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098037.7U CN210401152U (en) | 2019-07-12 | 2019-07-12 | Water-pressure test device for engineering geological investigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210401152U true CN210401152U (en) | 2020-04-24 |
Family
ID=70354306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921098037.7U Active CN210401152U (en) | 2019-07-12 | 2019-07-12 | Water-pressure test device for engineering geological investigation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210401152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286076A (en) * | 2019-07-12 | 2019-09-27 | 中国电建集团北京勘测设计研究院有限公司 | A kind of packer permeability test device of engineering geological investigation |
-
2019
- 2019-07-12 CN CN201921098037.7U patent/CN210401152U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286076A (en) * | 2019-07-12 | 2019-09-27 | 中国电建集团北京勘测设计研究院有限公司 | A kind of packer permeability test device of engineering geological investigation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104374680B (en) | Slip casting diffusion test device and its test method | |
| CN210322723U (en) | Long rock core gas injection displacement experimental apparatus | |
| CN104297128A (en) | Triaxial stress seepage experiment device under high pressure water and subpressure loading condition | |
| CN206459937U (en) | A kind of packer permeability test device of engineering geological investigation | |
| CN105067494A (en) | Permeability testing method and device based on radial percolation experiment | |
| CN204511425U (en) | The determinator of coal-bed gas pressure | |
| CN105067222B (en) | Porous media moves water grouting device and its method | |
| CN110286076A (en) | A kind of packer permeability test device of engineering geological investigation | |
| CN103033454A (en) | Water pressure test equipment for hole-drilling shaft | |
| CN103277092A (en) | Horizontal well multistage fracturing variable mass multiphase flow simulation experiment device | |
| CN210401152U (en) | Water-pressure test device for engineering geological investigation | |
| CN103256047A (en) | Method for researching variable mass multiphase flowing regular in horizontal well fracturing completion method | |
| WO2023236631A1 (en) | Hole sealing quality measurement device and hole sealing quality evaluation method for gas extraction drilling | |
| CN204255813U (en) | Slip casting diffusion test device | |
| CN207686665U (en) | A kind of drill-hole pumping experiment water barrier device | |
| CN213478283U (en) | Underground oil pipe leakage simulation system | |
| CN208076347U (en) | Rock permeability and compression coefficient joint measurement device | |
| CN204314282U (en) | Detect the experimental provision of gas discharge drilling sealing material sealing property | |
| CN207364493U (en) | Rigid conduit pressure sealing structure | |
| CN107489419B (en) | Mine rock drilling multi-section type gas extraction test probe and system | |
| JP4537978B2 (en) | Ground injection device | |
| CN113984627B (en) | Rock stratum permeability testing device | |
| CN100487755C (en) | Coalbed methane reservoir forming simulation device | |
| CN213420302U (en) | Condensate pump sealed pipeline overhauls device | |
| CN214503289U (en) | Water pressure test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |